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How should I unit test threaded code?
...way to deal with testing complex, multithreaded application code is this: If its too complex to test, you're doing it wrong. If you have a single instance that has multiple threads acting upon it, and you can't test situations where these threads step all over each other, then your design needs to...
How do I check whether a jQuery element is in the DOM?
...
Like this:
if (!jQuery.contains(document, $foo[0])) {
//Element is detached
}
This will still work if one of the element's parents was removed (in which case the element itself will still have a parent).
...
Calling remove in foreach loop in Java [duplicate]
...eturned by this class's iterator and listIterator
methods are fail-fast: if the list is structurally modified at any
time after the iterator is created, in any way except through the
iterator's own remove or add methods, the iterator will throw a
ConcurrentModificationException. Thus, in the...
How do you prevent install of “devDependencies” NPM modules for Node.js (package.json)?
...oduction from something else I was doing and could not figure out for the life of me why npm install wouldn't install dependencies. Thanks for the thorough answer.
– aendrew
May 5 '15 at 23:29
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Determine if an HTML element's content overflows
Can I use JavaScript to check (irrespective of scrollbars) if an HTML element has overflowed its content? For example, a long div with small, fixed size, the overflow property set to visible, and no scrollbars on the element.
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Hide text using css
...e only the text before word-wrap is indented, and the W3C spec doesn't specify a situation for negative indent so this could have unpredictable results
– Chris Farmiloe
Jan 23 '09 at 1:34
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What is the difference between syntax and semantics in programming languages?
What is the difference between syntax and semantics in programming languages (like C, C++)?
10 Answers
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Expression Versus Statement
...hat still survives is C. The designers of C realized that no harm was done if you were allowed to evaluate an expression and throw away the result. In C, every syntactic expression can be a made into a statement just by tacking a semicolon along the end:
1 + 2 / x;
is a totally legit statement ev...
“var” or no “var” in JavaScript's “for-in” loop?
...he variable looks up to the nearest closure searching for a var statement. If it cannot find a var then it is global (if you are in a strict mode, using strict, global variables throw an error). This can lead to problems like the following.
function f (){
for (i=0; i<5; i++);
}
var i = 2;
f ...
Git pull results in extraneous “Merge branch” messages in commit log
...he target branch (in your case, the remote). As the recreated commits are different commits, this can cause a lot of confusion when developing together with others, especially when people already checked out parts of those commits before they get rewritten (for example with feature branches). So as ...